diff --git a/src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java b/src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
index dfbed0ef02b..1021160c208 100644
--- a/src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
+++ b/src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/proxy/DefaultSamplerCreator.java
@@ -286,7 +286,7 @@ protected void computeFromPostBody(HTTPSamplerBase sampler,
      * @param postData String
      * @return boolean
      */
-    public static boolean isPotentialJson(final String postData) throws IOException {
+    public static boolean isPotentialJson(final String postData) {
         boolean valid = true;
         try{
             OBJECT_MAPPER.readTree(postData);